The Melatonin Phenomenon - A 1996 Presentation by Dr. George Brainard

Is this a natural aid to help you sleep and overcome jet lag? What is the evolution of the Pineal Gland from the "Third Eye" of earlier species?
Dr. Brainard gave this presentation at the 22nd Annual Yoga Research Society Conference on November 2, 1996 at Friends Select School on the Benjamin Franklin Parkway in Philadelphia, PA.